Home / 39,137.63-54,009.92-22,141.53

Finding the Fourth Proportional to 39,137.63, 54,009.92 and 22,141.53

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Solution

The fourth proportional to 39,137.63, 54,009.92 and 22,141.53 is: 30,555.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,137.63 : 54,009.92 = 22,141.53 : x
  2. Step 2: Convert to fraction form
    39,137.63/54,009.92 = 22,141.53/x
  3. Step 3: Cross multiply
    39,137.63x = 54,009.92 × 22,141.53
  4. Step 4: Simplify right side
    39,137.63x = 1,195,862,319.33
  5. Step 5: Solve for x
    x = 1,195,862,319.33/39,137.63
  6. Step 6: Final answer
    x = 30,555.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.